All data and code are on an OSF data repository, seehttps://osf.io/h9qmu/. I made a video to depict the dynamic change of the contact network from January 23th to February 16th, seehttps://youtu.be/JtU1sfgjup8. All raw data (in Chinese) is available on the official website of H...
Didi and other online car hailing services returned to normal since Feb.23, though there are few cars on the road. Please carry a valid ID as you might have to register. NOTE:Those traveling by taxi or public transportation may be required to register their information, so please carry a ...